产品参数

简要概述

产品基本信息

货号：9000

产品名称：荧光素醛[5-FAM醛]

规格：5 mg

储存条件：-15℃避光防潮

保质期：24个月

产品物理化学光谱特性

分子量：445.43

溶剂：DMSO

激发波长(nm)：493

发射波长(nm)：517

消光系数（cm-1 M-1）:83000

校正因子（260nm）:0.32

校正因子 (280 nm)：0.178

产品介绍

荧光素醛是可以与胺，肼或羟胺反应的反应性荧光染料。荧光素是使用广泛的绿色荧光染料。醛基可与pH 5-9的胺，酰肼或羟胺基反应。与胺反应性琥珀酰亚胺基酯基（NHS）不同，醛可以在酸性pH下与N端胺基反应，这是某些生物缀合反应有时需要的条件。醛与胺基反应形成席夫碱（Schiff base）。用氢化物进一步还原将形成稳定的C-N键。醛与其他基团之间的反应可实现荧光素染料的位点特异性缀合和标记，使其靶向分子上的所需位置。共轭荧光素染料可以很容易地通过普通的荧光仪器在FITC通道下检测到。

参考文献

2-Formyl-dATP as Substrate for Polymerase Synthesis of Reactive DNA Bearing an Aldehyde Group in the Minor Groove.
Authors: Krömer, Matouš and Brunderová, Mária and Ivancová, Ivana and Poštová Slavětínská, Lenka and Hocek, Michal
Journal: ChemPlusChem (2020): 1164-1170

Aldehyde dehydrogenase-2 activation decreases acetaminophen hepatotoxicity by prevention of mitochondrial depolarization.
Authors: Wimborne, Hereward J and Hu, Jiangting and Takemoto, Kenji and Nguyen, Nga T and Jaeschke, Hartmut and Lemasters, John J and Zhong, Zhi
Journal: Toxicology and applied pharmacology (2020): 114982

Bisretinoid phospholipid and vitamin A aldehyde: Shining a light.
Authors: Kim, Hye Jin and Sparrow, Janet R
Journal: Journal of lipid research (2020)

Characterization of ascites-derived aldehyde dehydrogenase-positive ovarian cancer stem cells isolated from Leghorn chickens.
Authors: Tiwari, Anupama and Hadley, Jill A and Ramachandran, Ramesh
Journal: Poultry science (2020): 2203-2214

Citral Inhibition of Human Salivary Aldehyde Dehydrogenase.
Authors: Laskar, Amaj Ahmed and Khan, Masood Alam and Ahmad, Sumbul and Hashmi, Amiruddin and Younus, Hina
Journal: Cell biochemistry and biophysics (2020): 31-42